.topnav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
}
.el-menu-demo {
  /* margin: 0 auto; */
  height: 60px;
  display: flex;
  justify-content: flex-end;
}

.el-menu  .el-checkbox {
  --el-checkbox-font-size: 15px;
  --el-checkbox-font-weight: var(--el-font-weight-primary);
  --el-checkbox-font-color: white;
  --el-checkbox-input-height: 15px;
  --el-checkbox-input-width: 15px;
  --el-checkbox-border-radius: var(--el-border-radius-small);
  --el-checkbox-background-color: var(--el-color-white);
  --el-checkbox-input-border: var(--el-border-base);
  --el-checkbox-disabled-border-color: var(--el-border-color-base);
  --el-checkbox-disabled-input-fill: #edf2fc;
  --el-checkbox-disabled-icon-color: var(--el-text-color-placeholder);
  --el-checkbox-disabled-checked-input-fill: var(--el-border-color-extra-light); 
  --el-checkbox-disabled-checked-input-border-color: var(--el-border-color-base);
  --el-checkbox-disabled-checked-icon-color: var(--el-text-color-placeholder);
  --el-checkbox-checked-font-color: white;
  --el-checkbox-checked-input-border-color: var(--el-color-primary);
  --el-checkbox-checked-background-color: var(--el-color-primary);
  --el-checkbox-checked-icon-color: var(--el-fill-base);
  --el-checkbox-input-border-color-hover: var(--el-color-primary);
  align-self:center;
  flex: 1
}

.select {
  /* float: right; */
  width: 110px;
  align-self:center;
  margin-left: 20px;
  margin-right: 20px;
}

.button {
  align-self:center; 
  margin-right: 10px;
  /* float: right; */
}